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Flight Computer maneuver node orientation issue #29

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Starstrider42 opened this issue May 26, 2014 · 2 comments

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commented May 26, 2014

Original issue at Cilph/RemoteTech2#210.

krenshala wrote:

Just ran into a problem with the flight comp not properly orienting the craft based on the maneuver node as it should (screenshot). In the screenshot provided i set a manuver node on the opposite side of the orbit (Trans Munar Insertion burn), programmed the flight computer when to do the burn and clicked "Node". The craft swung around like it should to point in the correct direction ... almost.

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commented May 26, 2014

I have seen this issue myself, but have been unable to reproduce it consistently.

One addition to krenshala's report: while the flight computer points in the wrong direction for a node attitude command, it slews to the correct direction once it starts executing the burn.

@Starstrider42 Starstrider42 added Needs Logs and removed Needs Logs labels May 26, 2014

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commented Oct 22, 2014

S1gmoid on the forums figured out what's going on: the bug happens when you move a maneuver node along an orbit before ordering the flight computer to face the maneuver node. For some reason, the burn vector is calculated as if the node had been shifted back to its original position. Since in most cases node positions only get a little tweaking, this leads to the "slight offset" krenshala and I reported.

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